Automatic regulating-valve.



J. 0. SMITH.

AUTOMATIC REGULATING VALVE. APPLICATION FILED AUG. 10,1909.

Patented May 4, 1909.

2 SHEETS-SHEET l.

Z0 g .9? O E: Z r y 1 2% 25 WITNESSES lNVENTOI? W WW (/OHN 0. SMITH BYc. z MW W Arm/mas 5 J. 0. SMITH. AUTOMATIC BEGULATING VALVE.

APPLICATION FILED AUG. 10,1908.

Patented May 4, 1909.

INVENTOH JoH/v 0. 3M! TH.

" llllllm mvEssL s dawww aim A TTOHNE Y8 I UNIT JOHN 0. SMITH, OFLOUISVILLE, KENTUCKY.

Annemarie REG-ULATING-VALVE.

Specification of Letters Patent.

Patented May 4:, 1908.

Application filed August 10, 19081 Serial No. M73765.

Regulating-Yalves, of which the following is a specifieatlon.

. My invention is an improvement in automatic regulating valves andconsists of certain novel constructions and combinations of partshereinafter described and claimed.

Referring to the drawings forming a part hereof, Figure l is a partialside view of an absorber provided with the improved valve. Fig. 2 is acentral longitudinal section of the valve. Fig. 3 is an end view of thevalve partially in section. Fig. 4 is a horizontal section through thevalve. Fig. 5 is a side view of the lunger and connections. Fig. 6 is acentral ongitudinal section. Fig. 7 isla. horizontal section through theplunger casing and, Fig. 8 is a detail perspective view of the lock forthe cam shaft.

In refrigerating machines of the type in which the valve is to be used,strong liquor or water saturated with ammonia gas is run into a still,the liquor is heated and the ammonia is driven oil. The gas is thenpassed through the condenser where it is cooled and, being under highpressure, liquefles and is then expanded into a cooling coil, but theliquor ammonia may be run directly into the cooling coil and thenevaporated. As the ammonia is being driven oil' from the liquor v in thestill, the weaker portion of the liquor l sinks to the bottom where itis drawn ofl' cooled and run into an absorber. Here it meets theanhydrous ammonia gas coming from the cooler or evaporator. The weakliquor having been cooled down absorbs this ammonia gas until it becomessaturated and in this condition is called strong; liquor.

T he subject of the present invention in-- tended for controlling theflow oi the weak liquor to the absorber. The weak liquor leaves thegenerator under a pressure oi approximately 150 pounds, while the gasadmitted to the absorber is under a pressure of from 5 to 15 pounds. Thereturning fluid absorbs 2710 29% of its weight of ammonia gas and forthis absorption to take place, it is necessary that the pressure of theincoming fluid be equal to that of the incoming gas,

The valve is a float: valve, and the casing for the float or the floatchamber l, is arranged on the side of the absorber 2, and communicatestherewith by an upper pipe 4, and a lower pipe 5. The valve casing '6,

which branches as at 8 and 9 before it opens therein, and with an inlet10, from the refrigerating apparatus.

The plunger 11 is movable in the casing, and is connected by a link 12,with the lever 13 pivoted by one end as at 14 in the float chamber, in amanner to be presently described, and provided at its other end with afloat 15 freely movable in the chamber.

lhe float chamber is of the shape shown iii Figsl and :2, one end thesmaller being and the other by cover 17 secured to the casing by screws18. The float lever 13 has threaded upon one end thereof a yoke 19 whosearms are curved in semi-circular form as at 20, and embrace the float15, the free end of the arms being connected by a bolt 21, whereby thearms ma tightly embrace the float, wereby to retain it in place. Theopposite end of the lever 13 is threaded into a socket 22, on a link 23,which is provided with a bearing 24, journaled on the eccentric portion25 of a shaft 26, which is journaled transversely of the ioat ciambcr innuts 27, threaded into communicates with the absorber by a'pipe 7 becaused to closed by a plug 16 threaded into the casing,

nip les 28 on the sides of the chamber. One

of t 1e nuts 27 is provided with a aching 2.9 in its free end, securedin place iiy a pack ing nut 30, and the free end of the shaft 2'6 isengaged by a clamp 31, conncc'tedwith the adjacent nut 27, the free endof the clamp i being split to provide jaws 32, for embracing the rod,the jaws being clamped thereon by a set screw 1 It will be evident fromthe description that by loosening the jaws of the clamp, the

shaft 26 may be rotated, whereby to vary l the position of the plungerin the plunger casing for a purpose to be presently described.

The plunger 11 before mentioned, is provided near its upper end with apair of annular ribs 34, and near its lower end with an-' of a diameterequal to that of the smallest internal diameter of the plunger casing.The inlet 20 from the refrigerating apparatus 0 ens directly into thepassage in which the l p unger inoves, wh.il e the outet is connectedwith the l opposite triefinletand above- 3am below the l l j other pairof annular ribs 35, which ribs are l i passage by ports 36 37, openingcommunicating with the vco lbllllll-lfill with tl'ielibsorher, ol

casing adjacent to the float ch "no it; will be evident from aninspection 'l he dnunetcr ol' the passage in r is enlarged by an annulargroove ii the passages 3.6, 57 communicate,

end a tiird enlargement is provided above the top of the plunger.

it will be evident from the description that ien the plunger is in theposition shown in the inlet may conm'iuniclrte with outlet 7, until thefluid admitted into the b r attains a height suihcient to elevate l5,when the plunger will be moved upwnruly th cutting oil the supply offluid. As soon as the renewed equo-nn'nnonizi. is removed from theabsorber, the lloet will. coin incriee to drop thus argeinv opening theVolvo.

From an inspection of Fig. 6, it will be observed that the plunger l. l.is provided with ii longitudinal opening 38 therethrougzh, whichcommunicates with lergement above the top of the plunger, and with the lember, so that the pressure trove i the plunger will be equal. linidpassing through the ted by raising undlowerj pivotel coni'iectiou of thethe lloat lever by moons of the ric'shet uponv which. the said floutlever is mounted. 'lhc ribs 34, end on the plunghr prevent the liquorfrom passing from. the plunger easing into the float illttfi'llJGI.liquor enl' thev" in the u .u'ber, wl look in the valve, ubsorlmrthrough it will be observed that the week .ve above the liquid lineiereby should there be e the liquor will puss to the the float chamber.

I chum: 1'. In a device 01" the class described, the

u llout l, u valve ni'nber, said l'iuving an inlet, and an. Rurtlhtabsorber list the movable in the casing,

chnmber communicnting thonewitl 'chziniber top thereof, a plunger nlever pivoted in the chamber by one end, and provided :it the other with:i llont,

linl: connecting the plunger-with the lever,

cl'innibcr, ti gluing-1r being"provided nour ouch end it id with. :1pair of spuer l zinnulur ribs, the outlet branching on its ntrance tothe casing, and oomnmnicziting tlmrcw-vitli 'betvgoenithe ribs ol theplunger, .vrhvn it, in l-lLS ZOI'IILLl position.

In it device oi the cluss described, the combination with tho l Sorb-.r, ol' u flout clnunber communicating therewith, menus of liquid tothe for controlling the inlet absorber, suid mcuns comprising :1 casingtl'iroug h which the liquid passes, :1 plunger movable in' the casing, ullozitin the ilout olnnnlmr coutrollinp soid plunger, said plungerhaving :1 longitudinal phssuge therethrough commonhinting with thellonl; chzm-- the eninilur enl l l l i l l l l l l l l l i l beingprovided with an inlet for the liquid opening; between the pairs ofribs, and with ii bronohe-zl outlet leading to the absorber and openingfrom the casing between the n'iemliieis of the individual pairs.

2,. In. :1 device of the class described, the conibiimtioi'i with theabsorber, of n float chamber comn'iunion/ting therewith, means forcontrolling the inlet of liquid to the absorber, comprising :1 casing,through which the liquid passes, it plunger movable in the casing, uvfloat in the float chamber controlling the plunger, said plungerl'niving u ll llgllill ill1lll passage therethrough connnunicnting with.the float chamber, the casing being provided witl'i end with u branchedabsorber, and opening inlet.

outlet leading above and below the the class described, the non with theabsorber of a casing icon-t thereto, said casing beii'ig provided win211) inlet, and with branched outlet a. longitudinally leading to theabsorber,

casing, a, float opermovmg plunger in the ntwrl by the liquid in theabsorber for con l. lin a device of trolling' the plunger, said plungerhaving longitudinully opening therethrougl'i-con1 municnting with the n)sorber.

5. The combirnition with the absorber, of ai'velve for controlling thepassage of fluid theret moons whereby the fluid in the ubsorl'ior mayoperate the valve, & communicution between the absorber and both sidesof the valve, whereby to balance the same, and means for adjusting theextent of the movement of the valve, whereby to regulate the quantity offluid passing thereby.

6. The combination with the absorber, of a valve for controlling thepassage of fluid thereto, means whereby the fluid in the rib sorber mayoperate the valve, a cornmunication between the absorber and both sidesof the valve, whereby to balance the some, and menus for adjusting theextent ol the movement oi the valve, whereby to regulate the quantity oflluid passing thereby, said moons comprising :tshnl't provided with aneccentric portion, it bearing in connection withthc valve and encirclingthe eccentric portion, and U'H'llllb' for turning the shuit.

7. The combination with "he absorber, of 1 valve for controlling thepassage ol lluid thereto, means whereby the lluid in the libsorbor mayopomte the VfLlVO, :i communic; tion bciwron the absorber, and bothsides ol' the vulva, whereby to balance the some, Illlll mums .l'orudjusling the extent of the movement ol the valve, whereby to regulatethe quantity oi lluid passing thereby, suid menus comprising u shul'l'provided with on ecccntric portion, :1 bearing in i'ronnection an inletfor the liquid to the withthe valve and encircling the eccentric I 8. Ina device of, the class described, a

valve casing a plunger valve movable therein, a stem connected with thevalve, a lever having at one end a bearing and at the other a float forthe purpose set forth, said lever being pivotally connected with thestem,

, a shaft having an eccentric portion on which the bearing is journaled,a split clamp embracing the shaft, and means for locking the clam on theshaft.

9. In a device 'of the class described, a valve casing, a plun er valvemovable therein, a stem connecter with the valve, a lever having at oneend a bearing and at the other a float for the purpose set forth, saidlever being pivotally connected with the stem, a shaft having aneccentric portion on which i the bearing is journaled, and means forlocking the shaft in adjusted osition.

'10. In a device of the c ass described, the E 11. In a device of theclass, described, the combination with the absorber, of a casingadjacent thereto, said casing bein provided With an inlet, and with anoutlet eading'to the absorber, a plunger in the casing for controllingthe communication between the inlet and the outlet, a float operated bythe liquid in the absorber for controlling the plunger, and meansoutside of the casing for regulating the extent of movement of theplunger, said means comprising a shaft having an eccentric portion, abearing in connection with the plunger, journaled on the eccentricportion, and means for turning the shaft.

12. In a device of the class described, the combination with theabsorber, of a casing adjacent thereto, said casing being provided withan inlet, and with an outlet leading to the absorber, a plunger in thecasing for controlling the communication between the inlet and theoutlet, a float operated by. the liquid in the absorber for controllingthe plunger, and means outside of the casing for combination with theabsorber, of a casing ad acent thereto, said caslng being provided 2with an inlet, and with an outlet leading to the absorber, alongitudinally movable plunger in the casing for controlling the?communication between the inlet and the outlet, a float operated by theliquid in the 5 the extent of movement of the plunger.

regulating the extent of movement of the plunger, said means comprisinga shaft having an eccentric portion, a bearing in connection with theplunger j'ournaled on the eccentric portion, and means for locking theshaft in adjusted position.

JOllN SMITH.-

"Witnesses:

J. W. JORDAN, J. (3. SWARTZ.

